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New shield box meets high volume testing of service centers and manufacturersAeroflex's 4921 RF Shield is a new RF shielding solution for testing 3G mobile phones, as well as data cards and WLAN equipment in large service centers and production lines. The TC-5970D RF Shield Box provides both high RF isolation and room for testing medium to large size wireless device testing. The TC-5972D RF Shield Box provides both high RF isolation and room for testing medium to large size wireless device testing.
The TC-5972DP RF Shield Box is the pneumatic version of the TC-5972D and provides the same high RF isolation and working space for testing medium to large size wireless devices as it's manual version. TC-5910DP Shield Box provides RF isolation and signal connections necessary for mobile testing. The TC-5915AP pneumatic RF Shield Box version of the popular manually operated TC-5915A shield box providing the user semi-automatic operation features. The TC-5916AP pneumatic RF Shield Box provides RF isolation and signal connections necessary for mobile testing. TC-5901C Pneumatic Shield Box is about 50% larger in test area and height than the other popular TC-595X series shield boxes, providing more flexibility in handling larger devices and test fixtures.
Measurement for one Band (3 Channels) = 30mins.Typically half a day will complete 1 device, including setup time and measuring time for up to 4 Bands.


TC-5970D RF Shield Box is an ideal test platform for Engineering, Manufacturing, or service due to it's ergonomic design.
TC-5972D RF Shield Box is an ideal test platform for Engineering, Manufacturing, or service due to it's ergonomic design.
TC-5972DP RF Shield Box is an ideal test platform for Manufacturing or high volume repair services.
When you need a little more internal working space than the TC-5915AP the TC-5916AP is your ideal choice. The 4921 easily fulfils the 80 dB attenuation requirement for testing mobile phones for UMTS and other third-generation wireless networks.
The RF absorption inside the 4921 leads to low reflection within the box, thereby providing high-precision, stable RF measurement results with instruments connected to it. The 4921 is the first of its kind to meet all the service, repair and manufacturing requirements in terms of attenuation, longevity, dimensions, and price.Easy to use solution for high-volume testingMost third-generation (3G) mobile phone systems are based on CDMA technology, which puts new demands on test environments compared to TDMA systems.
Measurements in CDMA systems require 80 dB of shielding because the mobile will attempt to lock onto the strongest base station. Without the RF Shield, the mobile would ignore the test signal and try to lock onto a local network.In a CDMA system, for example WCDMA (UMTS), one of the worst-case shielding requirements arises when one mobile is in a max power test, and the other mobile is in a minimum power test.


In this situation, one mobile is transmitting at +33 dBm, while the other is attempting to transmit -50 dBm. To properly isolate the two mobiles from each other, test stations will require at least 80 dB of isolation between them.In addition, a receiver test close to the sensitivity level of the mobile receiver could severely affect test results. Testing the receiver via the antenna requires the phone to be isolated from a real base station by 80 dB. Without shielding, the mobile could receive the signal from a close-by network transmitter at -25 dBm while trying to detect a test signal at -104 dBm.For service centers and manufacturing operations, the Aeroflex 4921 is the optimum solution because of its reliability, longevity and support in measurement precision. This has been verified through a series of endurance tests, and in line with military standard VG 95737, Electromagnetic Compatibility of Equipment - Part 15 Test Methods for Coupling and Shielding.The 4921 is an easy to use solution with a solid rocker arm lever and gas springs that allow the operator to smoothly open and close the box without using much force. A removable plate on the rear can be used to hold customer-specific connectors (such as an interface for remote-controlling the unit under test). The 4921 is designed to contain the phone under test and possibly an antenna coupler, and provides a connector for external test equipment (such as the Aeroflex 4400 Mobile Phone Tester).



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